eli5: Why in the world does my playstation have to copy downloaded update files before using them???

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… Say I need to download an update file to use CoD. It will spend some time downloading the file, then it spends even longer “copying” the file. I don’t get it… I already have the file. How in the fuck could copying the file get me something that I don’t already have? Why can’t I just use the file I have already, that I just got??? Why can’t it just use the downloaded file to update?!?! I can’t wrap my head around it. Some software engineer out there… please make me understand how this could possibly make sense!

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5 Answers

Anonymous 0 Comments

The game files are compressed and then transferred to your console over the internet. It’s like Ikea furniture. Tightly packaged and easily stacked to save space with assembly required.

Compressed game files are smaller and thus easier to transfer, reducing the load on the download servers and your internet. Copying them locally is the decompression step (unpacking and assembling).

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